Introduction to Asynchronous Transfer Mode Seminar:
It is very high performance transfer operation, which used technique of cell switching and multiplexing. The lengths of packets used are fixed. It runs media application very efficiently. It basically works on three platforms, technology, standard, and services.
It provides very high performance as it uses hardware switching technique. Service support for multimedia, speed and network sizes are manually keep on changing according to the requirement. It has international level of standards.
It consists of 5 byte header and 48 byte header. ATM cell consist of 8 bits. ATM architecture contains four layers, first layer is divided into two parts that is higher layers, next layer is ATM adaptation layer, then ATM layer which is again divided into two parts, virtual layer and virtual path, and the last layer is physical layer, it determines the speed of data. They also have three separate planes. User plane, it provides user information, control plane, and management plane.
ATM standards: it is acertain set of specification that provide ATM framework. It is an important feature which provide link between ATM and framework. There are basically two standards networks.
Data insertion: data encapsulation is decided by RFC 1483, LANEMPOA also support dynamic use of ATM. Video and voice data are adapted for different schemes for carrying a fixed rate bits.
Usually mpeg2 video format are used for streams. It has two coding techniques: program stream and transport stream.
Network traffic management: their main use to ensure the deliver quality of multimedia application. They are categorized in three parts; nodal level, network level and network engineering.
ATM is used in carrier infrastructure, workgroup and campus, residential broadband.
ATM and IP: they multiple protocol system and adopting of frame based on SONET/SDH.
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